:root {
  /* base */
  --login-body-color: #0A0A0A;
  --login-body-font: "Geist", sans-serif;
  --login-body-fs: 14px;
  --login-body-bg: #EEE;
  --login-body-min-width: 1500px;
  --login-body-min-height: 900px;

  /* left */
  --login-left-margin-bottom: 48px;

  /* logo */
  --login-logo-padding: 20px;
  --login-logo-img-width: 80px;
  --login-logo-img-ml: 12px;
  --login-logo-img-mt: 8px;

  /* wrapper */
  --login-wrapper-width: 360px;
  --login-wrapper-max-width: 400px;
  --login-wrapper-padding: 20px;
  --login-wrapper-gap: 16px;
  --login-wrapper-color: #000;
  --login-wrapper-h1-fs: 24px;
  --login-wrapper-h1-fw: 600;
  --login-wrapper-h1-color: #222;

  /* input */
  --login-input-padding-y: 8px;
  --login-input-padding-x: 10px;
  --login-input-radius: 8px;
  --login-input-fs: 14px;
  --login-input-placeholder-color: #18181B;

  /* forgot */
  --login-forgot-color: #222;
  --login-forgot-fw: 600;
  --login-forgot-fs: 14px;

  /* button */
  --login-button-padding-y: 8px;
  --login-button-padding-x: 12px;
  --login-button-bg: #000;
  --login-button-color: #fff;
  --login-button-radius: 8px;
  --login-button-fs: 14px;
  --login-button-pressed-scale: 0.95;

  /* signup + bottom */
  --login-signup-color: #222;
  --login-signup-fw: 600;
  --login-bottom-fs: 11px;
  --login-bottom-color: #000;
  --login-bottom-fw: 600;
  --login-bottom-link-bottom: 20px;

  /* right side */
  --login-right-bg: #18181B;
  --login-right-color: #fff;
  --login-right-padding-top: 66px;
  --login-right-min-width: 600px;
  --login-right-min-height: 900px;
  --login-right-header-fs: 72px;
  --login-right-header-fw: 400;
  --login-right-header-mt: 10px;
  --login-right-header-line-height: 1.2;

  /* art */
  --login-art-height-offset: 370px;
  --login-svg-height-offset: 300px;
  --login-art-min-width: 600px;
}

/* resets */
* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  height: 100%;
  overflow: hidden;
  color: var(--login-body-color);
  font-family: var(--login-body-font);
  font-size: var(--login-body-fs);
  background: var(--login-body-bg);
  min-width: var(--login-body-min-width);
  min-height: var(--login-body-min-height);
}

.container { display: flex; height: 100vh; }

/* Left Side */
.left { flex: 1; display: flex; flex-direction: column; margin-bottom: var(--login-left-margin-bottom); }
.logo { padding: var(--login-logo-padding); display: flex; }
.logo img { width: var(--login-logo-img-width); margin-left: var(--login-logo-img-ml); margin-top: var(--login-logo-img-mt); }

.content { flex: 1; display: flex; align-items: center; justify-content: center; }

.login-wrapper {
  width: var(--login-wrapper-width);
  max-width: var(--login-wrapper-max-width);
  padding: var(--login-wrapper-padding);
  display: flex;
  flex-direction: column;
  gap: var(--login-wrapper-gap);
  color: var(--login-wrapper-color);
}
.login-wrapper h1 {
  font-family: var(--login-body-font);
  font-weight: var(--login-wrapper-h1-fw);
  font-size: var(--login-wrapper-h1-fs);
  text-align: center;
  color: var(--login-wrapper-h1-color);
}

.login-wrapper input[type="email"],
.login-wrapper input[type="password"] {
  width: 100%;
  padding: var(--login-input-padding-y) var(--login-input-padding-x);
  border: 0px solid #ccc;
  outline: none;
  border-radius: var(--login-input-radius);
  font-size: var(--login-input-fs);
}
input::-webkit-input-placeholder { color: var(--login-input-placeholder-color); }

.forgot-password {
  align-self: flex-end;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--login-forgot-color);
  font-weight: var(--login-forgot-fw);
  text-decoration-line: underline;
  text-decoration-skip-ink: none;
  text-underline-position: from-font;
  font-size: var(--login-forgot-fs);
}

.login-button {
  padding: var(--login-button-padding-y) var(--login-button-padding-x);
  background: var(--login-button-bg);
  color: var(--login-button-color);
  border: none;
  border-radius: var(--login-button-radius);
  cursor: pointer;
  transition: transform 100ms ease-out;
  font-size: var(--login-button-fs);
}
.login-button.pressed { transform: scale(var(--login-button-pressed-scale)); }

.signup { text-align: center; }
.signup a {
  color: var(--login-signup-color);
  font-weight: var(--login-signup-fw);
  text-decoration-line: underline;
  text-decoration-skip-ink: none;
  text-underline-position: from-font;
}

.bottom-link {
  bottom: var(--login-bottom-link-bottom);
  width: 100%;
  text-align: center;
  font-size: var(--login-bottom-fs);
  text-decoration-line: underline;
  text-decoration-skip-ink: none;
}
.bottom-link a { text-decoration: none; color: var(--login-bottom-color); font-weight: var(--login-bottom-fw); }

/* Right Side */
.right {
  flex: 1;
  background: var(--login-right-bg);
  color: var(--login-right-color);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  height: 100vh;
  position: relative;
  padding-top: var(--login-right-padding-top);
  min-width: var(--login-right-min-width);
  min-height: var(--login-right-min-height);
}
.right-header h2 {
  font-size: var(--login-right-header-fs);
  font-weight: var(--login-right-header-fw);
  margin: 0;
  line-height: var(--login-right-header-line-height);
}
.right-header .top-line { display: block; text-align: left; }
.right-header .bottom-line { display: block; text-align: left; margin-top: var(--login-right-header-mt); }

.art-wrap {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  overflow: hidden;
  height: calc(100vh - var(--login-art-height-offset));
  min-width: var(--login-art-min-width);
}
.svg-object { width: 100%; height: calc(100vh - var(--login-svg-height-offset)); }

@media (max-height: 900px) {
  .svg-object { width: 100%; height: calc(100vh - 250px); }
}
@media (max-height: 900px) {
  .art-wrap { height: calc(100vh - 260px); }
}

/* Placeholder font-size */
input::placeholder,
input::-webkit-input-placeholder,
input::-moz-placeholder,
input:-moz-placeholder,
input:-ms-input-placeholder {
  font-size: var(--login-input-fs);
}

/* =========================
   1920 × 1080
   ========================= */
@media (min-width: 1920px) {
  :root {
    --login-body-fs: clamp(14px, 1.2vw, 17px);
    --login-body-min-width: clamp(1500px, 70vw, 1900px);
    --login-body-min-height: clamp(900px, 50vw, 1100px);

    --login-left-margin-bottom: clamp(48px, 3vw, 60px);

    --login-logo-padding: clamp(20px, 1.5vw, 26px);
    --login-logo-img-width: clamp(80px, 5vw, 100px);
    --login-logo-img-ml: clamp(12px, 1vw, 16px);
    --login-logo-img-mt: clamp(8px, 0.6vw, 10px);

    --login-wrapper-width: clamp(360px, 28vw, 460px);
    --login-wrapper-max-width: clamp(400px, 30vw, 500px);
    --login-wrapper-padding: clamp(20px, 1.5vw, 26px);
    --login-wrapper-gap: clamp(16px, 1.2vw, 20px);
    --login-wrapper-h1-fs: clamp(24px, 2vw, 28px);

    --login-input-padding-y: clamp(8px, 0.8vw, 10px);
    --login-input-padding-x: clamp(10px, 0.8vw, 12px);
    --login-input-radius: clamp(8px, 0.8vw, 10px);
    --login-input-fs: clamp(14px, 1vw, 16px);

    --login-forgot-fs: clamp(14px, 1vw, 16px);

    --login-button-padding-y: clamp(8px, 0.8vw, 10px);
    --login-button-padding-x: clamp(12px, 0.8vw, 14px);
    --login-button-radius: clamp(8px, 0.8vw, 10px);
    --login-button-fs: clamp(14px, 1vw, 16px);

    --login-bottom-fs: clamp(11px, 0.8vw, 13px);
    --login-bottom-link-bottom: clamp(20px, 1.6vw, 26px);

    --login-right-padding-top: clamp(66px, 4vw, 80px);
    --login-right-min-width: clamp(600px, 45vw, 750px);
    --login-right-min-height: clamp(900px, 55vw, 1100px);
    --login-right-header-fs: clamp(72px, 5vw, 90px);
    --login-right-header-mt: clamp(10px, 1vw, 15px);

    --login-art-height-offset: clamp(370px, 26vw, 460px);
    --login-svg-height-offset: clamp(300px, 20vw, 360px);
    --login-art-min-width: clamp(600px, 45vw, 750px);
  }
}

/* =========================
   2560 × 1440
   ========================= */
@media (min-width: 2560px) {
  :root {
    --login-body-fs: clamp(17px, 1.4vw, 20px);
    --login-body-min-width: clamp(1900px, 75vw, 2400px);
    --login-body-min-height: clamp(1100px, 65vw, 1400px);

    --login-left-margin-bottom: clamp(60px, 4vw, 72px);

    --login-logo-padding: clamp(26px, 2vw, 32px);
    --login-logo-img-width: clamp(100px, 6vw, 120px);
    --login-logo-img-ml: clamp(16px, 1.2vw, 20px);
    --login-logo-img-mt: clamp(10px, 1vw, 12px);

    --login-wrapper-width: clamp(460px, 32vw, 560px);
    --login-wrapper-max-width: clamp(500px, 36vw, 640px);
    --login-wrapper-padding: clamp(26px, 1.6vw, 32px);
    --login-wrapper-gap: clamp(20px, 1.2vw, 24px);
    --login-wrapper-h1-fs: clamp(28px, 2.5vw, 36px);

    --login-input-padding-y: clamp(10px, 0.9vw, 12px);
    --login-input-padding-x: clamp(12px, 1vw, 16px);
    --login-input-radius: clamp(10px, 0.9vw, 12px);
    --login-input-fs: clamp(16px, 1.2vw, 20px);

    --login-forgot-fs: clamp(16px, 1.2vw, 20px);

    --login-button-padding-y: clamp(10px, 0.9vw, 12px);
    --login-button-padding-x: clamp(14px, 1.2vw, 20px);
    --login-button-radius: clamp(10px, 0.9vw, 12px);
    --login-button-fs: clamp(16px, 1.2vw, 20px);

    --login-bottom-fs: clamp(13px, 1vw, 16px);
    --login-bottom-link-bottom: clamp(26px, 2vw, 32px);

    --login-right-padding-top: clamp(80px, 5vw, 96px);
    --login-right-min-width: clamp(750px, 55vw, 900px);
    --login-right-min-height: clamp(1100px, 70vw, 1400px);
    --login-right-header-fs: clamp(90px, 6vw, 108px);
    --login-right-header-mt: clamp(15px, 1vw, 20px);

    --login-art-height-offset: clamp(460px, 30vw, 540px);
    --login-svg-height-offset: clamp(360px, 25vw, 440px);
    --login-art-min-width: clamp(750px, 55vw, 900px);
  }
}


/* 4K Version */
@media (min-width: 3840px) {
  :root {
    --login-body-fs: 20px;
    --login-body-min-width: 2400px;
    --login-body-min-height: 1400px;

    --login-left-margin-bottom: 72px;

    --login-logo-padding: 32px;
    --login-logo-img-width: 120px;
    --login-logo-img-ml: 20px;
    --login-logo-img-mt: 12px;

    --login-wrapper-width: 560px;
    --login-wrapper-max-width: 640px;
    --login-wrapper-padding: 32px;
    --login-wrapper-gap: 24px;
    --login-wrapper-h1-fs: 36px;

    --login-input-padding-y: 12px;
    --login-input-padding-x: 16px;
    --login-input-radius: 12px;
    --login-input-fs: 20px;

    --login-forgot-fw: 600;
    --login-forgot-fs: 20px;

    --login-button-padding-y: 12px;
    --login-button-padding-x: 20px;
    --login-button-radius: 12px;
    --login-button-fs: 20px;

    --login-signup-fw: 600;
    --login-bottom-fs: 16px;
    --login-bottom-link-bottom: 32px;

    --login-right-padding-top: 96px;
    --login-right-min-width: 900px;
    --login-right-min-height: 1400px;
    --login-right-header-fs: 108px;
    --login-right-header-mt: 20px;

    --login-art-height-offset: 540px;
    --login-svg-height-offset: 440px;
    --login-art-min-width: 900px;
  }
}